Search a number
-
+
20224403332 = 2272381138723
BaseRepresentation
bin10010110101011101…
…111110011110000100
31221012110210010202021
4102311131332132010
5312404421401312
613142503052524
71314115410010
oct226535763604
957173703667
1020224403332
11863916a621
123b05141144
131ba4027683
14d9c01b540
157d57e5c07
hex4b577e784

20224403332 has 48 divisors (see below), whose sum is σ = 42260585472. Its totient is φ = 8280312480.

The previous prime is 20224403299. The next prime is 20224403359. The reversal of 20224403332 is 23330442202.

It is a junction number, because it is equal to n+sod(n) for n = 20224403297 and 20224403306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502923 + ... + 541645.

It is an arithmetic number, because the mean of its divisors is an integer number (880428864).

Almost surely, 220224403332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20224403332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21130292736).

20224403332 is an abundant number, since it is smaller than the sum of its proper divisors (22036182140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20224403332 is a wasteful number, since it uses less digits than its factorization.

20224403332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39568 (or 39566 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 20224403332 its reverse (23330442202), we get a palindrome (43554845534).

The spelling of 20224403332 in words is "twenty billion, two hundred twenty-four million, four hundred three thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 644 811 1622 3244 5677 11354 18653 22708 37306 38723 74612 77446 130571 154892 261142 271061 522284 542122 890629 1084244 1781258 3562516 6234403 12468806 24937612 31404353 62808706 125617412 219830471 439660942 722300119 879321884 1444600238 2889200476 5056100833 10112201666 20224403332